Discount Snow Stakes Flex PRO Line are perfect for applications where stake contact is present. These driveway markers are 1/4" in diameter which offers ultimate flexibility. Installation is simple and easy with these light weight driveway markers. Most competitors have six inch or less reflective tape, our driveway markers have extended nine inch Xtreme Viz reflective tape for ultimate visibility. Also, our plow stakes are arrow tipped at the bottom so that they pierce the ground with ease. These driveway markers are the absolute premiere product for snow plow contractors in all commercial and residential applications.